Yes, both OgHero and Posted offer a Free Trial.
OgHero is designed for Large Enterprises, Medium Business and Small Business.
Posted is designed for Individuals, Medium Business and Small Business.
The starting price of OgHero begins at $25/Month, while pricing details for Posted are unavailable.
Some top alternatives to OgHero includes Posted, Snappa, Bannerly, Qualified, Previewify, Workvivo, Thumber, Featured Image Creator, Blog To Social, APITemplate.io, IFTTT and Previewmojo.
Some top alternatives to Posted includes Zoho Social, Crowdfire, SocialBee, Planable, SocialMgr, Later, Continuon, Socialdraft, Broadcast, CloudSocial, SocialHub, Send Social Media, Sociality.io, Social By Emovur and Blog To Social.